Small, lightweight fume absorbers effectively create a fresher, cleaner working environment by filtering fumes, vapors, dust, odors and smoke away from the operators. Features safe-guard screens in front and back to prevent injury and activated carbon filters. Standard single fan unit, variable speed with control knob. Optional 12" flex nozzle adapter available for use with single fan units. Mounts in place of shroud, includes all mounting hardware. 25" armature available.• Effectively Filters Indoor and Manufactured Pollutants Such As Smoke, Odors, Chemicals and Air Borne Dust.• ESD-Safe Construction and Integral common Point Ground Plug.